{"id":77023,"date":"2024-03-07T14:48:50","date_gmt":"2024-03-07T06:48:50","guid":{"rendered":"https:\/\/docs.pingcode.com\/?p=77023"},"modified":"2024-03-07T14:48:50","modified_gmt":"2024-03-07T06:48:50","slug":"%e5%a6%82%e4%bd%95%e6%8e%92%e6%9f%a5kubernetes%e7%9a%84%e7%bd%91%e7%bb%9c%e9%97%ae%e9%a2%98","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/77023.html","title":{"rendered":"\u5982\u4f55\u6392\u67e5Kubernetes\u7684\u7f51\u7edc\u95ee\u9898"},"content":{"rendered":"<p>\u5728\u6392\u67e5<strong>Kubernetes<\/strong>\u7684\u7f51\u7edc\u95ee\u9898\u65f6\uff0c\u9996\u5148\u8981\u76f4\u63a5\u56de\u7b54\u8fd9\u4e2a\u95ee\u9898\uff1a\u786e\u4fdd<strong>Kubernetes\u8282\u70b9\u95f4\u4e92\u8fde\u65e0\u8bef\u3001\u9a8c\u8bc1\u7f51\u7edc\u7b56\u7565\u6ca1\u6709\u9650\u5236\u901a\u4fe1\u3001\u68c0\u67e5\u670d\u52a1\u53d1\u73b0\u548c\u8d1f\u8f7d\u5747\u8861\u662f\u5426\u6b63\u5e38\u5de5\u4f5c\uff0c\u4ee5\u53ca\u67e5\u770b\u5bb9\u5668\u7f51\u7edc\u63a5\u53e3\uff08CNI\uff09\u63d2\u4ef6\u662f\u5426\u914d\u7f6e\u6b63\u786e<\/strong>\u3002\u5728\u6b64\u57fa\u7840\u4e0a\uff0c<strong>\u9a8c\u8bc1\u7f51\u7edc\u7b56\u7565\u6ca1\u6709\u9650\u5236\u901a\u4fe1<\/strong>\u662f\u6211\u4eec\u9700\u8981\u91cd\u70b9\u5173\u6ce8\u7684\u3002\u7f51\u7edc\u7b56\u7565\u5b9a\u4e49\u4e86\u96c6\u7fa4\u4e2d\u54ea\u4e9bPod\u53ef\u4ee5\u76f8\u4e92\u901a\u4fe1\u4ee5\u53caPod\u53ef\u4ee5\u4f7f\u7528\u54ea\u4e9b\u7aef\u53e3\u4e0e\u7f51\u7edc\u4ea4\u4e92\u3002\u9519\u8bef\u914d\u7f6e\u7684\u7f51\u7edc\u7b56\u7565\u53ef\u80fd\u4f1a\u963b\u6b62\u6b63\u5e38\u7684\u901a\u4fe1\uff0c\u5bfc\u81f4\u4e0d\u660e\u663e\u7684\u7f51\u7edc\u95ee\u9898\u3002\u56e0\u6b64\uff0c\u5bf9\u7f51\u7edc\u7b56\u7565\u8fdb\u884c\u7ec6\u81f4\u7684\u5ba1\u67e5\u548c\u6d4b\u8bd5\u662f\u89e3\u51b3\u7f51\u7edc\u6545\u969c\u7684\u5173\u952e\u6b65\u9aa4\u3002<\/p>\n<h2><strong>\u4e00\u3001\u68c0\u67e5\u57fa\u7840\u7f51\u7edc\u8bbe\u7f6e<\/strong><\/h2>\n<p>Kubernetes\u7684\u7f51\u7edc\u95ee\u9898\u901a\u5e38\u53ef\u4ee5\u4ece\u6700\u57fa\u7840\u7684\u7f51\u7edc\u914d\u7f6e\u5f00\u59cb\u6392\u67e5\u3002\u9996\u5148\uff0c\u9700\u8981\u786e\u8ba4\u96c6\u7fa4\u4e2d\u7684\u6240\u6709\u8282\u70b9\u90fd\u62e5\u6709\u6b63\u786e\u7684\u7f51\u7edc\u8bbe\u7f6e\u5e76\u4e14\u80fd\u591f\u5f7c\u6b64\u901a\u4fe1\u3002<\/p>\n<p>&#8211; 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\u67e5\u770bCNI\u914d\u7f6e\u6587\u4ef6\u548c\u65e5\u5fd7\uff0c\u786e\u8ba4\u8bbe\u7f6e\u7b26\u5408\u96c6\u7fa4\u7f51\u7edc\u9700\u6c42\uff0c\u5e76\u6392\u9664\u4efb\u4f55\u53ef\u80fd\u5bfc\u81f4\u7f51\u7edc\u95ee\u9898\u7684\u914d\u7f6e\u9519\u8bef\u3002<\/p>\n<h2><strong>\u4e94\u3001\u8fdb\u884c\u9ad8\u7ea7\u7f51\u7edc\u6545\u969c\u6392\u9664<\/strong><\/h2>\n<p>\u82e5\u4e0a\u8ff0\u6b65\u9aa4\u65e0\u6cd5\u89e3\u51b3\u95ee\u9898\uff0c\u53ef\u80fd\u9700\u8981\u8fdb\u884c\u66f4\u9ad8\u7ea7\u7684\u6545\u969c\u6392\u9664\u6b65\u9aa4\u3002<\/p>\n<p>&#8211; \u5229\u7528\u7f51\u7edc\u8c03\u8bd5\u5de5\u5177<\/p>\n<p>  \u7efc\u5408\u4f7f\u7528tcpdump\u3001traceroute\u3001iproute2\u7b49\u7f51\u7edc\u8c03\u8bd5\u5de5\u5177\uff0c\u5206\u6790\u7f51\u7edc\u6d41\u91cf\u548c\u8def\u5f84\uff0c\u4ee5\u4fbf\u4e8e\u53d1\u73b0\u9690\u85cf\u7684\u7f51\u7edc\u6545\u969c\u3002<\/p>\n<p>&#8211; \u5206\u6790Pod\u7f51\u7edc\u547d\u540d\u7a7a\u95f4<\/p>\n<p>  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describe\u547d\u4ee4\u67e5\u770b\u76f8\u5173\u8d44\u6e90\u7684\u8be6\u7ec6\u4fe1\u606f\uff0c\u627e\u51fa\u53ef\u80fd\u7684\u5f02\u5e38\u3002\u53e6\u5916\uff0c\u53ef\u4ee5\u4f7f\u7528kubectl logs\u67e5\u770bPod\u7684\u65e5\u5fd7\uff0c\u67e5\u627e\u662f\u5426\u6709\u7f51\u7edc\u76f8\u5173\u7684\u9519\u8bef\u4fe1\u606f\u3002\u540c\u65f6\uff0c\u8fd8\u53ef\u4ee5\u901a\u8fc7\u5728\u8282\u70b9\u4e0a\u4f7f\u7528\u5de5\u5177\u5982ping\u3001traceroute\u3001curl\u7b49\uff0c\u6d4b\u8bd5Pod\u4e4b\u95f4\u7684\u8fde\u901a\u6027\uff0c\u4ee5\u786e\u5b9a\u662f\u5426\u5b58\u5728\u7f51\u7edc\u963b\u585e\u6216\u8005\u914d\u7f6e\u9519\u8bef\u7b49\u95ee\u9898\u3002<\/p>\n<p><strong>Kubernetes\u7f51\u7edc\u51fa\u73b0\u95ee\u9898\u5e94\u5982\u4f55\u5904\u7406\uff1f<\/strong><\/p>\n<p>\u5f53Kubernetes\u7f51\u7edc\u51fa\u73b0\u95ee\u9898\u65f6\uff0c\u53ef\u4ee5\u5148\u5c1d\u8bd5\u91cd\u542f\u76f8\u5173\u7684Pod\u6216Service\uff0c\u53ef\u80fd\u4f1a\u89e3\u51b3\u4e00\u4e9b\u4e34\u65f6\u6027\u7684\u7f51\u7edc\u6545\u969c\u3002\u5982\u679c\u95ee\u9898\u4ecd\u7136\u5b58\u5728\uff0c\u53ef\u4ee5\u68c0\u67e5\u8282\u70b9\u4e4b\u95f4\u7684\u7f51\u7edc\u8fde\u901a\u6027\uff0c\u6392\u9664\u7f51\u7edc\u9632\u706b\u5899\u6216\u914d\u7f6e\u95ee\u9898\uff1b\u540c\u65f6\uff0c\u67e5\u770bkube-proxy\u7684\u65e5\u5fd7\uff0c\u786e\u8ba4\u662f\u5426\u6709\u76f8\u5173\u7684\u9519\u8bef\u4fe1\u606f\uff1b\u8fd8\u53ef\u4ee5\u5c1d\u8bd5\u66f4\u65b0Kubernetes\u96c6\u7fa4\u7684\u7f51\u7edc\u63d2\u4ef6\uff0c\u4ee5\u4fee\u590d\u53ef\u80fd\u5b58\u5728\u7684bug\u6216\u95ee\u9898\u3002\u5982\u82e5\u4ecd\u65e0\u6cd5\u89e3\u51b3\uff0c\u5efa\u8bae\u67e5\u770bKubernetes\u793e\u533a\u7684\u6587\u6863\u548c\u90ae\u4ef6\u5217\u8868\uff0c\u5bfb\u6c42\u66f4\u8fdb\u4e00\u6b65\u7684\u5e2e\u52a9\u3002<\/p>\n<p><strong>Kubernetes\u7f51\u7edc\u95ee\u9898\u6392\u67e5\u671f\u95f4\u5e94\u8be5\u6ce8\u610f\u54ea\u4e9b\u4e8b\u9879\uff1f<\/strong><\/p>\n<p>\u5728\u6392\u67e5Kubernetes\u7f51\u7edc\u95ee\u9898\u65f6\uff0c\u9700\u8981\u6ce8\u610f\u4fdd\u6301\u51b7\u9759\uff0c\u907f\u514d\u64cd\u4e4b\u8fc7\u6025\uff0c\u4ee5\u514d\u9020\u6210\u66f4\u4e25\u91cd\u7684\u95ee\u9898\u3002\u53e6\u5916\uff0c\u5c3d\u91cf\u91c7\u7528\u9010\u6b65\u6392\u67e5\u7684\u65b9\u6cd5\uff0c\u4ece\u7b80\u5355\u5230\u590d\u6742\uff0c\u4e00\u6b65\u4e00\u6b65\u7f29\u5c0f\u95ee\u9898\u8303\u56f4\u3002\u540c\u65f6\uff0c\u5728\u4fee\u6539\u914d\u7f6e\u6216\u91cd\u542f\u670d\u52a1\u4e4b\u524d\uff0c\u52a1\u5fc5\u5907\u4efd\u76f8\u5173\u6570\u636e\uff0c\u4ee5\u514d\u9020\u6210\u4e0d\u53ef\u9006\u7684\u635f\u5931\u3002\u8fd8\u9700\u8981\u6ce8\u610f\u8bb0\u5f55\u6bcf\u4e00\u6b65\u7684\u6392\u67e5\u8fc7\u7a0b\u548c\u7ed3\u679c\uff0c\u4ee5\u4fbf\u5728\u9700\u8981\u65f6\u8fdb\u884c\u56de\u6eaf\u3002\u6700\u91cd\u8981\u7684\u662f\u8981\u53ca\u65f6\u5411\u56e2\u961f\u6210\u5458\u6c47\u62a5\u95ee\u9898\u7684\u8fdb\u5c55\uff0c\u5171\u540c\u534f\u4f5c\u89e3\u51b3\u7f51\u7edc\u6545\u969c\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u5728\u6392\u67e5Kubernetes\u7684\u7f51\u7edc\u95ee\u9898\u65f6\uff0c\u9996\u5148\u8981\u76f4\u63a5\u56de\u7b54\u8fd9\u4e2a\u95ee\u9898\uff1a\u786e\u4fddKubernetes\u8282\u70b9\u95f4\u4e92\u8fde\u65e0\u8bef\u3001\u9a8c\u8bc1\u7f51 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